Squyres and other team members suggest that the layered deposits they saw on these rocks could have formed from volcanic dust that either mixed with water vapour or acquired a thin coating of water at some later stage 斯奎尔斯和其他工作人员在这些岩石上发现了分层沉积，他们推断这可能是由火山灰与水蒸气或晚些时候覆盖于地表的浅水层混合而形成的。
